201221440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 168

約数和(自身を含む): 572807592

約数和(自身を除く): 371586152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 313, 320, 328, 392, 410, 448, 490, 560, 574, 626, 656, 784, 820, 980, 1120, 1148, 1252, 1312, 1435, 1565, 1568, 1640, 1960, 2009, 2191, 2240, 2296, 2504, 2624, 2870, 3130, 3136, 3280, 3920, 4018, 4382, 4592, 5008, 5740, 6260, 6560, 7840, 8036, 8764, 9184, 10016, 10045, 10955, 11480, 12520, 12833, 13120, 15337, 15680, 16072, 17528, 18368, 20032, 20090, 21910, 22960, 25040, 25666, 30674, 32144, 35056, 40180, 43820, 45920, 50080, 51332, 61348, 64165, 64288, 70112, 76685, 80360, 87640, 89831, 91840, 100160, 102664, 122696, 128330, 128576, 140224, 153370, 160720, 175280, 179662, 205328, 245392, 256660, 306740, 321440, 350560, 359324, 410656, 449155, 490784, 513320, 613480, 628817, 642880, 701120, 718648, 821312, 898310, 981568, 1026640, 1226960, 1257634, 1437296, 1796620, 2053280, 2453920, 2515268, 2874592, 3144085, 3593240, 4106560, 4907840, 5030536, 5749184, 6288170, 7186480, 10061072, 12576340, 14372960, 20122144, 25152680, 28745920, 40244288, 50305360, 100610720, 201221440]

約数ペア:

[(1, 201221440), (2, 100610720), (4, 50305360), (5, 40244288), (7, 28745920), (8, 25152680), (10, 20122144), (14, 14372960), (16, 12576340), (20, 10061072), (28, 7186480), (32, 6288170), (35, 5749184), (40, 5030536), (41, 4907840), (49, 4106560), (56, 3593240), (64, 3144085), (70, 2874592), (80, 2515268), (82, 2453920), (98, 2053280), (112, 1796620), (140, 1437296), (160, 1257634), (164, 1226960), (196, 1026640), (205, 981568), (224, 898310), (245, 821312), (280, 718648), (287, 701120), (313, 642880), (320, 628817), (328, 613480), (392, 513320), (410, 490784), (448, 449155), (490, 410656), (560, 359324), (574, 350560), (626, 321440), (656, 306740), (784, 256660), (820, 245392), (980, 205328), (1120, 179662), (1148, 175280), (1252, 160720), (1312, 153370), (1435, 140224), (1565, 128576), (1568, 128330), (1640, 122696), (1960, 102664), (2009, 100160), (2191, 91840), (2240, 89831), (2296, 87640), (2504, 80360), (2624, 76685), (2870, 70112), (3130, 64288), (3136, 64165), (3280, 61348), (3920, 51332), (4018, 50080), (4382, 45920), (4592, 43820), (5008, 40180), (5740, 35056), (6260, 32144), (6560, 30674), (7840, 25666), (8036, 25040), (8764, 22960), (9184, 21910), (10016, 20090), (10045, 20032), (10955, 18368), (11480, 17528), (12520, 16072), (12833, 15680), (13120, 15337)]